Vespa PX 125 [1978-1997] - racing clutch with Z23 sprocket straight teeth

POLINI racing clutch with Z23 pinion for Vespa PX 125

The POLINI racing clutch is designed for racing use in the Vespa PX 125. The straight-toothed Z23 pinion allows the selection of a suitable primary toothing to adjust the gear ratios. The clutch works in the opposite way: the unit connected to the crankshaft is the inner hub and not the outer bell.

Function and design features

• Pressure plate on thrust bearing for precise actuation
• Aluminum bell as part of the clutch construction
• Cover of the block with oil collecting channel
• Adjustable spring force to adapt the clutch characteristics
• Straight teeth with Z23 pinion

The POLINI HT clutch is designed for efficient power transmission. Thanks to the possibility of adjusting the spring force and selecting the primary toothing, the clutch can be specifically tailored to the respective gear ratio. The gearshift is designed to be precise and smooth, thereby supporting effortless gear changes.

Vehicle assignment

Suitable for the Vespa PX 125, built between 1978 and 1997.

Factual note

The Z23 pinion has straight teeth. The clutch can be adjusted to different gear ratios via the primary gear. Various primary gears and pinions are available in the POLINI range for tuning.